FNUS53 KIWX 180742 FWFIWX Fire Weather Planning Forecast for the Southern Great Lakes National Weather Service Northern Indiana 342 AM EDT Mon May 18 2026 .DISCUSSION... Warm and humid through Tuesday with highs in the mid to upper 80s, although minimum afternoon RH values will be above 50%. Showers and storms are likely Monday and Tuesday, and could become severe during the afternoon and evening hours. Expect gusty south- southwest winds Monday and Tuesday shifting north- northwest by Wednesday. Dry and much cooler Wednesday and Thursday with highs in the 60s. Additional chances for rain and storms Friday and Saturday. INZ005-012-014-103-104-203-204-182015- Elkhart-Starke-Marshall-Northern La Porte-Eastern St. Joseph IN- Southern La Porte-Western St. Joseph IN- Including the cities of Elkhart, Goshen, Nappanee, Knox, North Judson, Bass Lake, Plymouth, Bremen, Culver, Michigan City, La Porte, Kingsbury, Fish Lake, South Bend, Mishawaka, Lakeville, Granger, Wanatah, La Crosse, Union Mills, North Liberty, New Carlisle, and Walkerton 342 AM EDT Mon May 18 2026 /242 AM CDT Mon May 18 2026/ .TODAY... Sky/weather.........Partly sunny. Chance of showers and slight chance of thunderstorms until 1300, then showers likely and chance of thunderstorms. Precipitation 70 percent. Chance of thunder...50 percent. Max temperature.....80-85. 24 hr trend......Little change. Min humidity........55-60 percent. 24 hr trend......Little change. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Good. Mixing Height.......Around 2300 ft agl. Transport Winds.....Southwest 20 to 25 mph. CWR.................20 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 2400, then partly cloudy. Slight chance of showers and thunderstorms until 2300. Precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....65-70. 24 hr trend......Little change. Max humidity........90-95 percent. 24 hr trend......20 percent wetter. Humidity recovery...Excellent. 20-foot winds.......South winds 15 to 20 mph. Vent Rate Category..Fair. Mixing Height.......Around 1350 ft agl. Transport Winds.....Southwest around 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Slight chance of showers and thunderstorms until 1300, then showers likely and chance of thunderstorms. Chance of precipitation 70 percent. Chance of thunder...50 percent. Max temperature.....80-85. 24 hr trend......5 degrees cooler. Min humidity........60-65 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Southwest winds 20 to 25 mph. Vent Rate Category..Good. Mixing Height.......Around 2500 ft agl. Transport Winds.....Southwest around 25 mph. CWR.................20 percent. .WEDNESDAY...Much cooler. Partly cloudy. Chance of showers. Lows around 50. Highs around 60. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows around 50. Highs around 70. East winds around 5 mph. .SATURDAY...Mostly cloudy. Chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SUNDAY...Partly cloudy. Chance of showers. Lows in the mid 50s. Highs around 80. $$ INZ006>009-182015- Lagrange-Steuben-Noble-De Kalb- Including the cities of Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, Ligonier, Albion, Auburn, and Garrett 342 AM EDT Mon May 18 2026 .TODAY... Sky/weather.........Partly sunny. Showers with thunderstorms likely after 1300. Precipitation 80 percent. Chance of thunder...70 percent. Max temperature.....Around 85. 24 hr trend......Little change. Min humidity........50-55 percent. 24 hr trend......Little change. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Good. Mixing Height.......Around 2700 ft agl. Transport Winds.....Southwest 20 to 25 mph. CWR.................20 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 2400, then partly cloudy. Chance of showers and thunderstorms until 2000, then slight chance of showers and thunderstorms until 2300. Precipitation 50 percent. Chance of thunder...40 percent. Min temperature.....Around 65. 24 hr trend......Little change. Max humidity........85-90 percent. 24 hr trend......15 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Southwest winds 10 to 15 mph. Vent Rate Category..Marginal. Mixing Height.......Around 1000 ft agl. Transport Winds.....Southwest 15 to 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Slight chance of showers and thunderstorms until 1300, then showers and chance of thunderstorms. Chance of precipitation 90 percent. Chance of thunder...50 percent. Max temperature.....80-85. 24 hr trend......Little change. Min humidity........55-60 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Good. Mixing Height.......Around 2450 ft agl. Transport Winds.....Southwest around 25 mph. CWR.................30 percent. .WEDNESDAY...Cooler. Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 60s. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows around 50. Highs around 70. East winds around 10 mph. .SATURDAY...Mostly cloudy with chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SUNDAY...Partly cloudy. Chance of showers. Lows in the mid 50s. Highs around 80. $$ OHZ001-002-004-005-182015- Williams-Fulton OH-Defiance-Henry- Including the cities of Bryan, Montpelier, Edgerton, Wauseon, Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, Napoleon, Deshler, and Liberty Center 342 AM EDT Mon May 18 2026 .TODAY... Sky/weather.........Partly sunny. Slight chance of showers and thunderstorms after 1400 until 1500, then chance of showers and thunderstorms until 1800, then showers and thunderstorms likely. Chance of precipitation 70 percent. Chance of thunder...60 percent. Max temperature.....85-90. 24 hr trend......5 degrees cooler. Min humidity........45-50 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Very good. Mixing Height.......Around 3250 ft agl. Transport Winds.....Southwest 20 to 25 mph. CWR.................20 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 0100, then partly cloudy. Showers likely and chance of thunderstorms until 0100. Precipitation 70 percent. Chance of thunder...50 percent. Min temperature.....65-70. 24 hr trend......Little change. Max humidity........80-85 percent. 24 hr trend......15 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Southwest winds 10 to 15 mph. Vent Rate Category..Fair. Mixing Height.......Around 1450 ft agl. Transport Winds.....Southwest 15 to 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Chance of showers and slight chance of thunderstorms after 1300 until 1400, then showers and chance of thunderstorms. Precipitation 90 percent. Chance of thunder...50 percent. Max temperature.....85-90. 24 hr trend......Little change. Min humidity........45-50 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Southwest winds 20 to 25 mph. Vent Rate Category..Very good. Mixing Height.......Around 2650 ft agl. Transport Winds.....Southwest 25 to 30 mph. CWR.................20 percent. .WEDNESDAY...Much cooler. Partly cloudy. Showers likely and chance of thunderstorms. Lows in the mid 50s. Highs in the mid 60s. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows around 50. Highs around 70. East winds around 10 mph. .SATURDAY...Mostly cloudy with chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SUNDAY...Partly cloudy. Chance of showers. Lows in the mid 50s. Highs around 80. $$ INZ013-015-020-022-023-182015- Pulaski-Fulton IN-White-Cass IN-Miami- Including the cities of Winamac, Francesville, Medaryville, Rochester, Akron, Monticello, Monon, Brookston, Logansport, Royal Center, Peru, Grissom AFB, and Mexico 342 AM EDT Mon May 18 2026 .TODAY... Sky/weather.........Partly sunny. Chance of showers and slight chance of thunderstorms until 1300, then showers and chance of thunderstorms. Chance of precipitation 80 percent. Chance of thunder...50 percent. Max temperature.....80-85. 24 hr trend......Little change. Min humidity........55-60 percent. 24 hr trend......Little change. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Good. Mixing Height.......Around 2500 ft agl. Transport Winds.....Southwest 20 to 25 mph. CWR.................30 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 2400, then partly cloudy. Slight chance of showers and thunderstorms until 2300. Precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....65-70. 24 hr trend......5 degrees warmer. Max humidity........85-90 percent. 24 hr trend......15 percent wetter. Humidity recovery...Excellent. 20-foot winds.......South winds 15 to 20 mph. Vent Rate Category..Fair. Mixing Height.......Around 1350 ft agl. Transport Winds.....South around 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Chance of showers and slight chance of thunderstorms until 1300, then showers likely and chance of thunderstorms. Precipitation 70 percent. Chance of thunder...50 percent. Max temperature.....80-85. 24 hr trend......Little change. Min humidity........60-65 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Southwest winds 20 to 25 mph. Vent Rate Category..Good. Mixing Height.......Around 2600 ft agl. Transport Winds.....Southwest around 25 mph. CWR.................30 percent. .WEDNESDAY...Cooler. Partly cloudy. Chance of showers. Lows in the mid 50s. Highs in the mid 60s. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows around 50. Highs around 70. East winds around 5 mph. .SATURDAY...Mostly cloudy with chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SUNDAY...Partly cloudy. Chance of showers. Lows around 60. Highs around 80. $$ INZ017-018-116-216-182015- Whitley-AllenIN-Northern Kosciusko-Southern Kosciusko- Including the cities of Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, Syracuse, Milford, North Webster, Leesburg, Warsaw, Winona Lake, Silver Lake, and Mentone 342 AM EDT Mon May 18 2026 .TODAY... Sky/weather.........Partly sunny. Slight chance of showers and thunderstorms until 1300Showers and thunderstorms likely after 1300. Chance of precipitation 70 percent. Chance of thunder...70 percent. Max temperature.....Around 85. 24 hr trend......Little change. Min humidity........50-55 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Good. Mixing Height.......Around 2800 ft agl. Transport Winds.....Southwest 20 to 25 mph. CWR.................20 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 0100, then partly cloudy. Chance of showers and thunderstorms until 2000, then slight chance of showers and thunderstorms until 2300. Precipitation 50 percent. Chance of thunder...50 percent. Min temperature.....65-70. 24 hr trend......Little change. Max humidity........80-85 percent. 24 hr trend......15 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Southwest winds 10 to 15 mph. Vent Rate Category..Marginal. Mixing Height.......Around 1050 ft agl. Transport Winds.....Southwest 15 to 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Slight chance of showers and thunderstorms until 1300, then showers and chance of thunderstorms. Chance of precipitation 90 percent. Chance of thunder...50 percent. Max temperature.....80-85. 24 hr trend......Little change. Min humidity........50-55 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Very good. Mixing Height.......Around 2600 ft agl. Transport Winds.....Southwest 25 to 30 mph. CWR.................20 percent. .WEDNESDAY...Cooler. Partly cloudy. Showers likely and chance of thunderstorms. Lows in the mid 50s. Highs in the mid 60s. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows around 50. Highs around 70. East winds around 10 mph. .SATURDAY...Mostly cloudy with chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SUNDAY...Partly cloudy. Chance of showers. Lows around 60. Highs around 80. $$ INZ024>027-182015- Wabash-Huntington-Wells-Adams- Including the cities of Wabash, North Manchester, Huntington, Roanoke, Bluffton, Ossian, Decatur, and Berne 342 AM EDT Mon May 18 2026 .TODAY... Sky/weather.........Partly sunny. Showers and thunderstorms likely after 1300. Precipitation 70 percent. Chance of thunder...70 percent. Max temperature.....Around 85. 24 hr trend......Little change. Min humidity........50-55 percent. 24 hr trend......Little change. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Good. Mixing Height.......Around 2700 ft agl. Transport Winds.....Southwest 20 to 25 mph. CWR.................20 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 0100, then partly cloudy. Showers and thunderstorms likely until 2000, then slight chance of showers and thunderstorms until 2300. Precipitation 60 percent. Chance of thunder...60 percent. Min temperature.....65-70. 24 hr trend......5 degrees warmer. Max humidity........80-85 percent. 24 hr trend......10 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Southwest winds 10 to 15 mph. Vent Rate Category..Fair. Mixing Height.......Around 1150 ft agl. Transport Winds.....Southwest 15 to 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Chance of showers after 1300 until 1400. Chance of thunderstorms after 1300. Showers after 1400. Precipitation 90 percent. Chance of thunder...50 percent. Max temperature.....Around 85. 24 hr trend......Little change. Min humidity........50-55 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Southwest winds 20 to 25 mph. Vent Rate Category..Good. Mixing Height.......Around 2600 ft agl. Transport Winds.....Southwest 25 to 30 mph. CWR.................20 percent. .WEDNESDAY...Cooler. Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the mid 50s. Highs in the mid 60s. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows around 50. Highs around 70. East winds around 5 mph. .SATURDAY...Mostly cloudy with chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SUNDAY...Partly cloudy. Chance of showers. Lows around 60. Highs around 80. $$ INZ032>034-182015- Grant-Blackford-Jay- Including the cities of Marion, Gas City, Upland, Hartford City, Montpelier, Portland, and Dunkirk 342 AM EDT Mon May 18 2026 .TODAY... Sky/weather.........Partly sunny. Showers and thunderstorms likely after 1300. Precipitation 70 percent. Chance of thunder...70 percent. Max temperature.....Around 85. 24 hr trend......Little change. Min humidity........45-50 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Good. Mixing Height.......Around 2650 ft agl. Transport Winds.....Southwest 20 to 25 mph. CWR.................20 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 0100, then partly cloudy. Showers and thunderstorms likely until 2000, then chance of showers and thunderstorms until 2200, then slight chance of showers and thunderstorms until 2300. Chance of precipitation 60 percent. Chance of thunder...60 percent. Min temperature.....65-70. 24 hr trend......5 degrees warmer. Max humidity........80-85 percent. 24 hr trend......5 percent wetter. Humidity recovery...Excellent. 20-foot winds.......South winds 10 to 15 mph. Vent Rate Category..Fair. Mixing Height.......Around 1250 ft agl. Transport Winds.....Southwest around 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Chance of showers and slight chance of thunderstorms after 1300 until 1400, then showers and chance of thunderstorms. Precipitation 90 percent. Chance of thunder...50 percent. Max temperature.....Around 85. 24 hr trend......Little change. Min humidity........45-50 percent. 24 hr trend......Little change. 20-foot winds.......Southwest winds 20 to 25 mph. Vent Rate Category..Good. Mixing Height.......Around 2550 ft agl. Transport Winds.....Southwest 25 to 30 mph. CWR.................20 percent. .WEDNESDAY...Not as warm. Mostly cloudy. Showers likely and chance of thunderstorms. Lows around 60. Highs around 70. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows around 50. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows around 50. Highs in the mid 70s. East winds around 5 mph. .SATURDAY...Mostly cloudy with chance of showers. Lows around 60. Highs in the mid 70s. .SUNDAY...Partly cloudy. Lows around 60. Highs around 80. $$ OHZ015-016-024-025-182015- Paulding-Putnam-Van Wert-Allen OH- Including the cities of Paulding, Antwerp, Payne, Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, Ohio City, Lima, Spencerville, and Bluffton 342 AM EDT Mon May 18 2026 .TODAY... Sky/weather.........Partly sunny. Slight chance of showers and thunderstorms after 1400 until 1500, then chance of showers and thunderstorms until 1800, then showers and thunderstorms likely. Chance of precipitation 70 percent. Chance of thunder...60 percent. Max temperature.....85-90. 24 hr trend......Little change. Min humidity........45-50 percent. 24 hr trend......Little change. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Very good. Mixing Height.......Around 3250 ft agl. Transport Winds.....Southwest around 20 mph increasing to around 30 mph in the afternoon. CWR.................10 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 0100, then partly cloudy. Showers and thunderstorms likely until 0100. Precipitation 70 percent. Chance of thunder...60 percent. Min temperature.....65-70. 24 hr trend......5 degrees warmer. Max humidity........80-85 percent. 24 hr trend......10 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Southwest winds 10 to 15 mph. Vent Rate Category..Fair. Mixing Height.......Around 1650 ft agl. Transport Winds.....Southwest 15 to 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Showers and chance of thunderstorms after 1300. Chance of precipitation 80 percent. Chance of thunder...50 percent. Max temperature.....85-90. 24 hr trend......5 degrees warmer. Min humidity........45-50 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Breezy. Southwest winds 20 to 25 mph. Vent Rate Category..Very good. Mixing Height.......Around 2650 ft agl. Transport Winds.....Southwest 25 to 30 mph. CWR.................20 percent. .WEDNESDAY...Not as warm. Mostly cloudy. Showers likely and chance of thunderstorms. Lows around 60. Highs around 70. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows around 50. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows around 50. Highs around 70. East winds around 10 mph. .SATURDAY...Mostly cloudy with chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SUNDAY...Partly cloudy. Chance of showers. Lows around 60. Highs around 80. $$ MIZ078>081-177-277-182015- Cass MI-St. Joseph MI-Branch-Hillsdale-Northern Berrien- Southern Berrien- Including the cities of Dowagiac, Cassopolis, Edwardsburg, Marcellus, Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, Hillsdale, Jonesville, Litchfield, Benton Harbor, St. Joseph, Paw Paw Lake, Niles, New Buffalo, Stevensville, and Berrien Springs 342 AM EDT Mon May 18 2026 .TODAY... Sky/weather.........Partly sunny. Chance of showers and thunderstorms until 1300Showers and thunderstorms likely after 1300. Chance of precipitation 70 percent. Chance of thunder...70 percent. Max temperature.....75-85. 24 hr trend......Little change. Min humidity........50-55 percent. 24 hr trend......5 percent drier. 20-foot winds.......Southwest winds 15 to 20 mph. Vent Rate Category..Good. Mixing Height.......Around 2750 ft agl. Transport Winds.....Southwest 20 to 25 mph. CWR.................20 percent. .TONIGHT... Sky/weather.........Mostly cloudy until 2400, then partly cloudy. Chance of showers and thunderstorms until 2000, then slight chance of showers and thunderstorms until 2300. Precipitation 50 percent. Chance of thunder...30 percent. Min temperature.....65-70. 24 hr trend......Little change. Max humidity........85-90 percent. 24 hr trend......20 percent wetter. Humidity recovery...Excellent. 20-foot winds.......South winds 10 to 15 mph. Vent Rate Category..Fair. Mixing Height.......Around 1200 ft agl. Transport Winds.....Southwest around 20 mph. CWR.................10 percent. .TUESDAY... Sky/weather.........Partly sunny. Slight chance of showers and thunderstorms until 1300, then showers and chance of thunderstorms. Chance of precipitation 90 percent. Chance of thunder...50 percent. Max temperature.....75-85. 24 hr trend......Little change. Min humidity........50-55 percent. 24 hr trend......15 percent wetter. 20-foot winds.......Southwest winds 20 to 25 mph. Vent Rate Category..Good. Mixing Height.......Around 2450 ft agl. Transport Winds.....Southwest around 25 mph. CWR.................20 percent. .WEDNESDAY...Cooler. Partly cloudy. Chance of showers. Lows around 50. Highs around 60. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Chance of showers. Lows in the mid 40s. Highs around 70. East winds around 10 mph. .SATURDAY...Mostly cloudy. Chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SUNDAY...Partly cloudy. Chance of showers. Lows in the mid 50s. Highs around 80. $$